28310639

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{557}}^1$

素因数の和:754

約数の個数: 16

約数和(自身を含む): 33265728

約数和(自身を除く): 4955089

約数列:

[1, 7, 53, 137, 371, 557, 959, 3899, 7261, 29521, 50827, 76309, 206647, 534163, 4044377, 28310639]

約数ペア:

[(1, 28310639), (7, 4044377), (53, 534163), (137, 206647), (371, 76309), (557, 50827), (959, 29521), (3899, 7261)]